Home / 706,066.41-1,058,478.74-279,901.60

Finding the Fourth Proportional to 706,066.41, 1,058,478.74 and 279,901.60

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Solution

The fourth proportional to 706,066.41, 1,058,478.74 and 279,901.60 is: 419,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,066.41 : 1,058,478.74 = 279,901.60 : x
  2. Step 2: Convert to fraction form
    706,066.41/1,058,478.74 = 279,901.60/x
  3. Step 3: Cross multiply
    706,066.41x = 1,058,478.74 × 279,901.60
  4. Step 4: Simplify right side
    706,066.41x = 296,269,890,945.54
  5. Step 5: Solve for x
    x = 296,269,890,945.54/706,066.41
  6. Step 6: Final answer
    x = 419,606.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.